Earthquake with magnitude of ML 1.2 on date 19-12-2019 and time 20:16:58 (Italy) in region 2 km W San Godenzo (FI)

A magnitude ML 1.2 earthquake occured in region: 2 km W San Godenzo (FI), on

  • 19-12-2019 19:16:58 (UTC)
  • 19-12-2019 20:16:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.9300, 11.6020 at 9 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
San Godenzo FI 2 1167 1167
Dicomano FI 8 5515 6682
Londa FI 8 1840 8522
Vicchio FI 11 8044 16566
Rufina FI 15 7346 23912
Premilcuore FC 15 799 24711
Marradi FI 16 3139 27850
Borgo San Lorenzo FI 17 18211 46061
Portico e San Benedetto FC 18 756 46817
Pratovecchio Stia AR 18 5845 52662
Pelago FI 19 7660 60322

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NE of Firenze (382808 inhabitants)
39 Km E of Scandicci (50609 inhabitants)
41 Km E of Prato (191150 inhabitants)
46 Km SW of Faenza (58541 inhabitants)
48 Km SW of Forlì (117913 inhabitants)
48 Km S of Imola (69797 inhabitants)
55 Km E of Pistoia (90315 inhabitants)
56 Km NW of Arezzo (99543 inhabitants)
56 Km W of Cesena (96758 inhabitants)
66 Km SE of Bologna (386663 inhabitants)
71 Km NE of Siena (53903 inhabitants)
72 Km SW of Ravenna (159116 inhabitants)
79 Km W of Rimini (147750 inhabitants)
89 Km E of Lucca (89046 inhabitants)
96 Km SE of Modena (184973 inhabitants)
99 Km E of Pisa (89158 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 1.2 2019-12-19
19:16:58
43.9302 11.602 9 2020-02-28
16:42:26
Bollettino Sismico Italiano INGV 76646061
Reviewed
Rev100
ML 1.5 2019-12-19
19:16:58
43.9257 11.6012 9 2019-12-19
19:22:26
Sala Sismica INGV-Roma 74802861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-19 19:16:58 ± 0.05
Latitude 43.9302 ± 0.0027
Longitude 11.6020 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76646061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 311
Semi-minor axis of confidence ellipse (meter) 211
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 45
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.48114
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 74802861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-19 19:22:26

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 23
Type of magnitude ML
Reference to an origin 76646061
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-19 10:54:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.OSSC.HHZ. 2019-12-19T19:17:16.21 0.3 undecidable manual S 212 53.4021 50 0.43 63
GU.CARD.HHZ. 2019-12-19T19:17:15.37 3.0 positive manual P 0.69 0
IV.CRMI.HHZ. 2019-12-19T19:17:15.59 0.3 undecidable manual S 254 52.0035 50 0.19 67
IV.CRE.HHZ. 2019-12-19T19:17:13.29 0.3 undecidable manual S 141 44.4222 50 -0.11 68
IV.MPPT.EHZ. 2019-12-19T19:17:12.47 0.3 undecidable manual S 274 41.0256 50 0 70
IV.MOCL.EHZ. 2019-12-19T19:17:10.45 0.6 undecidable manual S 284 34.6431 50 -0.32 44
IV.VISG.HHZ. 2019-12-19T19:17:09.56 0.3 undecidable manual S 335 31.6461 105 -0.33 67
IV.OSSC.HHZ. 2019-12-19T19:17:08.44 0.3 undecidable manual P 212 53.4021 50 -0.05 68
IV.CRMI.HHZ. 2019-12-19T19:17:08.36 0.3 undecidable manual P 254 52.0035 50 0.09 68
IV.SEI.HHZ. 2019-12-19T19:17:07.17 0.3 undecidable manual S 305 23.8539 110 -0.12 71
IV.MPPT.EHZ. 2019-12-19T19:17:06.41 0.3 undecidable manual P 274 41.0256 50 -0.17 68
IV.CRE.HHZ. 2019-12-19T19:17:06.96 0.3 undecidable manual P 141 44.4222 50 -0.15 68
IV.SFI.EHZ. 2019-12-19T19:17:06.10 0.3 undecidable manual S 98 19.7691 113 0.11 72
IV.ASQU.HHZ. 2019-12-19T19:17:06.48 0.3 undecidable manual S 135 21.0678 112 0.07 72
IV.MOCL.EHZ. 2019-12-19T19:17:05.38 0.3 undecidable manual P 284 34.6431 50 -0.21 68
IV.RONT.HHZ. 2019-12-19T19:17:05.28 0.3 undecidable manual S 298 15.1737 119 0.71 61
IV.BRIS.HHN. 2019-12-19T19:17:05.94 1.0 undecidable manual P 22 35.1426 50 0.26 23
IV.LMD.HHZ. 2019-12-19T19:17:05.74 0.3 undecidable manual S 27 18.3705 115 0.2 70
IV.VISG.HHZ. 2019-12-19T19:17:04.98 0.3 undecidable manual P 335 31.6461 105 -0.11 70
IV.ASQU.HHZ. 2019-12-19T19:17:03.08 0.3 undecidable manual P 135 21.0678 112 0.01 73
IV.SEI.HHZ. 2019-12-19T19:17:03.41 0.3 undecidable manual P 305 23.8539 110 -0.18 70
IV.RUFI.EHZ. 2019-12-19T19:17:03.66 0.3 undecidable manual S 216 12.5763 124 -0.15 72
IV.SFI.EHZ. 2019-12-19T19:17:02.88 0.1 positive manual P 98 19.7691 113 0.05 97
IV.RONT.HHZ. 2019-12-19T19:17:02.23 0.3 undecidable manual P 298 15.1737 119 0.21 71
IV.LMD.HHZ. 2019-12-19T19:17:02.63 0.3 undecidable manual P 27 18.3705 115 0.06 73
IV.RINC.HHZ. 2019-12-19T19:17:01.57 0.3 undecidable manual S 175 4.8951 150 -0.36 70
IV.RUFI.EHZ. 2019-12-19T19:17:01.65 0.1 positive manual P 216 12.5763 124 0.08 97
IV.RINC.HHZ. 2019-12-19T19:17:00.49 0.1 negative manual P 175 4.8951 150 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RINC.HHN. ML:0.0 0.002013888 0.1664 AML other m 2019-12-19T19:17:01.95
IV.RINC.HHE. ML:0.0 0.0022892109999999998 0.1664 AML other m 2019-12-19T19:17:01.99
IV.LMD.HHE. ML:1.4 0.00020170320000000003 0.2432 AML other m 2019-12-19T19:17:07.12
IV.LMD.HHN. ML:1.5 0.0002859241 0.2176 AML other m 2019-12-19T19:17:07.10
IV.SFI.HNN. ML:1.3 0.0001721351 0.1664 AML other m 2019-12-19T19:17:06.82
IV.SFI.HNE. ML:1.2 0.00012608104 0.1664 AML other m 2019-12-19T19:17:06.57
IV.SFI.EHE. ML:1.2 0.000122322635 0.1024 AML other m 2019-12-19T19:17:06.43
IV.SFI.EHN. ML:1.3 0.00016568425 0.1536 AML other m 2019-12-19T19:17:06.82
IV.ASQU.HHN. ML:1.0 0.00008007714000000001 0.1536 AML other m 2019-12-19T19:17:07.72
IV.ASQU.HHE. ML:1.0 0.00006321319999999999 0.1408 AML other m 2019-12-19T19:17:06.90
IV.SEI.HHE. ML:1.3 0.00011874709 0.3328 AML other m 2019-12-19T19:17:10.07
IV.SEI.HHN. ML:1.3 0.0001289725 0.32 AML other m 2019-12-19T19:17:10.63
IV.VISG.HHN. ML:0.9 0.000040014065000000005 0.1024 AML other m 2019-12-19T19:17:11.03
IV.VISG.HHE. ML:0.9 0.000037715650000000005 0.1408 AML other m 2019-12-19T19:17:10.96
IV.MOCL.EHN. ML:1.2 0.00006291221999999998 0.1664 AML other m 2019-12-19T19:17:11.58
IV.MPPT.EHN. ML:1.2 0.00005251016 0.2432 AML other m 2019-12-19T19:17:12.90
IV.MPPT.EHE. ML:1.2 0.000047928315 0.1792 AML other m 2019-12-19T19:17:13.20
IV.CRE.HHE. ML:1.1 0.000035557745 0.2048 AML other m 2019-12-19T19:17:14.74
IV.CRE.HHN. ML:1.3 0.000053454865000000006 0.2304 AML other m 2019-12-19T19:17:14.04
IV.CRMI.HNE. ML:1.2 0.000033413305 0.256 AML other m 2019-12-19T19:17:16.00
IV.CRMI.HHN. ML:0.8 0.0000162005165 0.3712 AML other m 2019-12-19T19:17:15.88
IV.CRMI.HHE. ML:0.6 0.0000122148685 0.256 AML other m 2019-12-19T19:17:16.00
IV.CRMI.HNN. ML:1.3 0.000047747025 0.3584 AML other m 2019-12-19T19:17:16.06
IV.OSSC.HHE. ML:1.3 0.00004520255 0.2048 AML other m 2019-12-19T19:17:16.75
IV.OSSC.HHN. ML:1.1 0.000028194499500000005 0.1792 AML other m 2019-12-19T19:17:17.24
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download